Question: For what values of k does the function y = cos(kt) satisfy the differential equation 121y - -16y? k = (smaller value) (larger value)

For what values of k does the function y = cos(kt) satisfy the differential equation 1217 - -167? (smaller value) (larger va

For what values of k does the function y = cos(kt) satisfy the differential equation 121y - -16y? k = (smaller value) (larger value)

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